20706552

素因数分解:

$2^3\times 3^2\times {\mathrm{139}}^1\times {\mathrm{2069}}^1$

素因数の和:2220

約数の個数: 48

約数和(自身を含む): 56511000

約数和(自身を除く): 35804448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 139, 278, 417, 556, 834, 1112, 1251, 1668, 2069, 2502, 3336, 4138, 5004, 6207, 8276, 10008, 12414, 16552, 18621, 24828, 37242, 49656, 74484, 148968, 287591, 575182, 862773, 1150364, 1725546, 2300728, 2588319, 3451092, 5176638, 6902184, 10353276, 20706552]

約数ペア:

[(1, 20706552), (2, 10353276), (3, 6902184), (4, 5176638), (6, 3451092), (8, 2588319), (9, 2300728), (12, 1725546), (18, 1150364), (24, 862773), (36, 575182), (72, 287591), (139, 148968), (278, 74484), (417, 49656), (556, 37242), (834, 24828), (1112, 18621), (1251, 16552), (1668, 12414), (2069, 10008), (2502, 8276), (3336, 6207), (4138, 5004)]